It's too bad DC isn't around to confirm. Based on some of your other faulty memory claims, I just don't know.
Remember when you were "sure"
@Hubert had told you something and it turned out he hadn't? (i.e. the not JH90.) Or the time you recalled that "everyone" loved the red crystal on the Fragment F1's case back, but "everyone" turned out to be just 1 person? I could go on and on, but I'll stop there.
From what I've read about the Carrera CH80, it seems that orders were taken, but then the watch was abruptly canceled by Biver. E.g.
https://professionalwatches.com/the-infamous-tag-heuer-caliber-ch80-returns/Click to expand...